The words emic and etic were coined by Kenneth L. Pike in 1954 (cf. Pike 1971) by truncation of terms like phonemic vs. phonetic. The pair applies not only to the sound level of language, but equally to the other levels of language and even to other domains of culture. In all of these domains, the idea of the contrast is the same:

This shows that the same phenomenon may be viewed in two perspectives:

Non-linguistic examples may be found, e.g., in the colors. For instance:

Emic vs. etic perspective
perspectiveemicetic
locatedintrinsicextrinsic
necessary forunderstanding the working of a particular culturecomparison and universal generalization
views phenomenon asconstituent of a particular (culture-specific) systemuniversal possibility
role of phenomenonfunctional (i.e. significative or distinctive) for the userterm of a universal theory

Reference

Pike, Kenneth L. 1971, Language in relation to a unified theory of the structure of human behavior. The Hague & Paris: Mouton (Janua Linguarum Series Maior, 24).